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When Your Workload Writes 6 TB a Day, أ 1 DWPD Drive Dies in 6 Months. The XD7P Is the Answer.
Most NVMe SSDs are rated 1 DWPD. A write-heavy OLTP logging workload at 3 DWPD will exhaust a 1 DWPD drive in 18 months — and if the workload hits 5 DWPD, the drive is dead in a year. The Kioxia XD7P 3.2TB is rated at 3 DWPD (17,520 TBW over 5 years), positioned for exactly the workloads that burn through read-intensive and mixed-use drives: OLTP transaction logs, database WAL, ZFS SLOG without Optane budget, Ceph WAL/DB, and Kafka partitions. It delivers 1,450K read IOPS and 370K write IOPS at 3 DWPD endurance — the endurance tier that most database teams should be deploying for write-heavy volumes instead of risking 1 DWPD drives.
المواصفات الفنية
| معامل | تخصيص |
|---|---|
| سعة | 3.2تيرابايت (also: 800غيغابايت, 1.6تيرابايت, 6.4تيرابايت) |
| عامل الشكل | 2.5-inch U.2 (15مم) |
| واجهة | PCIe 4.0 x4, NVME 1.4 |
| NAND Type | Kioxia BiCS FLASH 3D TLC (112-layer) |
| Sequential Read (128K) | يصل إلى 6,900 ميغابايت/ق |
| Sequential Write (128K) | يصل إلى 4,300 ميغابايت/ق |
| Random Read (4K, QD256) | Up to 1,450K IOPS |
| Random Write (4K, QD256) | Up to 370K IOPS |
| Latency (4K Random Read, QD1) | ~75 microseconds |
| Latency (4K Random Write, QD1) | ~15 microseconds |
| Endurance | 3 DWPD (5 years), 17,520 TBW (3.2TB model) |
| MTBF | 2,500,000 ساعات |
| قوة (Idle / Avg Active / الأعلى) | 4.5دبليو / 13دبليو / 18دبليو |
| Power Loss Protection | Capacitor-backed PLP, full data path protection |
| حماية | TCG Opal 2.0, SED, AES-256, secure erase (crypto) |
| Physical | 100.45 x 69.85 x 15.00 مم |
| درجة حرارة | 0C to 70C |
| ضمان | 5-year limited (manufacturer), 17,520 TBW limit |
The Endurance Tier Guide — What DWPD Do You Actually Need
| Workload | Typical DWPD | Recommended Tier | Drive Example |
|---|---|---|---|
| Boot volume (OS only) | 0.05-0.1 | 0.3-1 DWPD (read-intensive) | ميكرون 5400 PRO, Samsung PM9A3 |
| General virtualization (VMware datastore) | 0.3-0.8 | 1 DWPD (mixed-use) | Samsung PM9A3, Kioxia CD8P |
| OLTP database data volume | 0.5-1.5 | 1-2 DWPD (mixed-use) | Kioxia CD8P (2 DWPD) |
| OLTP transaction log / WAL / ZFS SLOG / Ceph WAL | 2-5 | 3 DWPD (write-intensive) | Kioxia XD7P (3 DWPD) |
| Write cache / journaling / extreme write workloads | 5-100 | 10-100 DWPD (ultra-endurance) | Intel Optane P5800X (100 DWPD) |
XD7P vs CD8P vs P5800X — The Endurance Stack
| ميزة | XD7P (3 DWPD) | CD8P (2 DWPD) | P5800X (100 DWPD) |
|---|---|---|---|
| Endurance | 3 DWPD | 2 DWPD | 100 DWPD |
| Random Write IOPS | 370K | 250K | 1,500K |
| Write Latency (QD1) | 15 us | 15 us | 5 us |
| Technology | NAND TLC | NAND TLC | 3D XPoint |
| Price (relative) | 100 percent | ~85 percent | ~300 percent |
| Best for | WAL, SLOG, write-heavy DB | Mixed-use, الافتراضية | Extreme writes, ZFS SLOG without budget constraint |
Compatible Platforms
U.2 NVMe, compatible with Dell R660, R760, R770, R7715, R860, R960, xFusion FusionServer V7, Lenovo ThinkSystem V3/V4. Works with PERC H755N, H965i, or direct PCIe passthrough.
Source Through Xincuan
Factory-direct pricing on the full XD7P range. 3-year warranty, global shipping.
